Home / 885,108,140.20-1,327,662,210.30-476,961,452.20

Finding the Fourth Proportional to 885,108,140.20, 1,327,662,210.30 and 476,961,452.20

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Solution

The fourth proportional to 885,108,140.20, 1,327,662,210.30 and 476,961,452.20 is: 715,442,178.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,108,140.20 : 1,327,662,210.30 = 476,961,452.20 : x
  2. Step 2: Convert to fraction form
    885,108,140.20/1,327,662,210.30 = 476,961,452.20/x
  3. Step 3: Cross multiply
    885,108,140.20x = 1,327,662,210.30 × 476,961,452.20
  4. Step 4: Simplify right side
    885,108,140.20x = 633,243,695,855,749,760
  5. Step 5: Solve for x
    x = 633,243,695,855,749,760/885,108,140.20
  6. Step 6: Final answer
    x = 715,442,178.30

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Double scale
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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.